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PH Maintenence
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Bluelab Calibration Solution Sachets pH 7.0, 4.0 & 2.77 EC
Starting at: $7.25
Bluelab's 2.77EC Conductivity Solution, pH 7.0 and pH 4.0 Calibration Solutions are now available in 20ml sachets. pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). The 2.77EC Conductivity solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/CF probe. Calibration Solutions should be stored in a cool place out of direct sun and heat. Please keep out of reach of children. They should be stored with the lids securely tightened. Learn More -
General Hydroponics pH Test Kit
$7.99General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Many growers prefer our pH Test Kit to expensive electronic meters because of its reliability and ease of use. Learn More -
Luster Leaf Rapitest pH Soil Tester Capsule Kit Model 1612
$9.35Kit includes: Color comparator 10 pH test capsules Complete instructions for adjusting soil pH and pH preferences list for over 450 plants for the home, yard and garden. All you do is put a sample of soil into the comparator, add powder capsule, add water, shake and watch the color develop. Then, note your results. Fast, easy and it only takes a few minutes. Learn More -
General Hydroponics pH 4.01, pH 7.01, 1500 PPM Solutions
Starting at: $9.85
General Hydroponics™ uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics™ technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used. Learn More
